STEP 2: Stand on a sheet of paper and use a pen and a ruler to draw a rectangle around the ... Mass is a measure of how much matter there is. Gravitational force is the pull of the Earth's gravity ...

STEP 2: Stand on a sheet of paper and use a pen and a ruler to draw a rectangle around the ... Mass is a measure of how much matter there is. Gravitational force is the pull of the Earth's gravity ...